let x = 10;

console.log(2 + '2');

function greet() {
    console.log('Hello');
}
        

const x = 10;

let arr = [1, 2, 3, 4];

for (let i = 0; i < 5; i++) { console.log(i); }

let element = document.getElementById('myElement');

function myFunction() { alert('Hello'); }

let car = { make: 'Toyota', model: 'Corolla', year: 2020 };

let num = 5; console.log(isNaN(num));

let result = 0 / 0; console.log(result); // NaN

            setTimeout(() => { console.log('Асинхронний код'); }, 1000);